Huangshi Rvitong Machinery Co., Ltd. is located in Luoqiao, Ling County, Huangshi City, Hubei Province, China. We specialize in the production and sale of drift oil seal rings. Absorbing the Italian advanced technology of production of drift oil seal ring as well as many years' research and accumulating experience, now we have had a special producing system, producing according to the need of our customers. Our products are widely applied in track mounted engineering plants, coal mine engineering plants, heavy loading vehicles, mine engineering plants, milling engineering plants, and...